senator lindsay graham's vow on face the nation to block the nominations of john brennan and chuck hagel pending more answers on the attacks in benghazi last september. >> i don't think we should allow brennan to go forward for the cia directorship hagel to be confirmed as secretary of defense until the white house gives us an accounting. >> jeff: there are still 102,000 coalition troops in afghanistan. and today marked a change of command for them. marine general john all when who is in line to become nato's supreme european commander passed the baton to marine general joseph dunford in a ceremony at coalition headquarters in kabul. dharlie-- charlie d'agata was there. >> reporter: this morning general john allen gave up command to fellow marine joseph dunford in an emotional event that at times sound more like a defiant victory speech than a handover ceremony. >> afghan force-- afghan forces defending afghan people and enabling the government of this country to serve its citizens. this is victory, this is what winning looks like. and we should not shrink from using these words. >> repo